日付	始値	高値	安値	終値	前日比	出来高	時価総額	25日乖離
2026
03/06	4,595	4,630	4,525	4,600	-1.39%	85,800	688億8019万	-7.22%
03/05	4,735	4,780	4,620	4,665	+2.19%	137,900	698億5350万	-6.08%
03/04	4,655	4,705	4,440	4,565	-4.7%	193,400	683億5610万	-8.33%
03/03	4,905	5,010	4,790	4,790	-3.13%	146,400	717億2524万	-4.1%
03/02	4,850	4,995	4,810	4,945	-2.85%	152,300	740億4621万	-1.26%
02/27	4,870	5,100	4,870	5,090	+4.62%	155,800	762億1743万	+1.48%
02/26	4,785	4,890	4,780	4,865	+1.88%	138,400	728億4829万	-3.01%
02/25	4,715	4,780	4,660	4,775	+1.38%	99,400	715億63万	-4.98%
02/24	4,715	4,745	4,640	4,710	0%	89,200	705億2733万	-6.57%
02/20	4,720	4,730	4,660	4,710	-0.42%	105,200	705億2733万	-6.84%
02/19	4,835	4,840	4,725	4,730	-1.46%	145,300	708億2681万	-6.76%
02/18	4,850	4,850	4,750	4,800	+1.05%	124,700	718億7498万	-5.68%
02/17	4,735	4,840	4,685	4,750	+0.32%	169,000	711億2629万	-6.81%
02/16	4,670	4,840	4,580	4,735	+0.11%	433,200	709億168万	-7.18%
02/13	14:00 投資有価証券の売却(結果)に関するお知らせ
02/13	14:00 代表取締役の異動等役員人事に関するお知らせ
02/13	14:00 2026年3月期第3四半期決算短信〔日本基準〕(連結)
02/13	5,630	5,700	4,730	4,730	-17.45%	284,800	708億2681万	-7.27%
02/12	5,660	5,840	5,620	5,730	+1.24%	143,700	858億76万	+12.33%
02/10	5,580	5,680	5,570	5,660	+2.35%	101,700	847億5259万	+11.88%
02/09	5,550	5,550	5,440	5,530	+2.03%	120,100	828億597万	+10.23%
02/06	5,220	5,420	5,200	5,420	+4.03%	109,700	811億5884万	+8.88%
02/05	5,250	5,280	5,150	5,210	-0.19%	75,700	780億1431万	+5.47%
02/04	5,020	5,240	5,000	5,220	+3.98%	153,100	781億6405万	+6.29%
02/03	5,060	5,130	5,020	5,020	+0.7%	83,200	751億6925万	+2.81%
02/02	4,930	5,070	4,905	4,985	+2.57%	112,600	746億4517万	+2.57%
01/30	4,845	4,880	4,775	4,860	+0.1%	68,300	727億7342万	+0.43%
01/29	4,835	4,870	4,745	4,855	+0.41%	87,300	726億9855万	+0.66%
01/28	4,905	4,905	4,830	4,835	-2.81%	95,700	723億9907万	+0.65%
01/27	4,935	4,990	4,870	4,975	+0.81%	100,000	744億9543万	+4.08%
01/26	5,060	5,090	4,935	4,935	-3.8%	104,000	738億9647万	+3.96%
01/23	5,140	5,180	5,100	5,130	-0.19%	53,500	768億1639万	+8.82%
01/22	5,130	5,150	5,050	5,140	+0.78%	83,800	769億6613万	+9.99%
01/21	5,010	5,140	4,985	5,100	+0.2%	88,100	763億6717万	+10.1%
01/20	5,160	5,190	5,070	5,090	-1.36%	75,300	762億1743万	+10.94%
01/19	5,150	5,190	5,050	5,160	+1.18%	90,800	772億6561万	+13.43%
01/16	5,110	5,120	4,965	5,100	-0.39%	120,600	763億6717万	+13.18%
01/15	5,110	5,170	5,080	5,120	-0.39%	92,000	766億6665万	+14.59%
01/14	5,040	5,140	5,010	5,140	+3.01%	109,800	769億6613万	+16.16%
01/13	5,060	5,070	4,950	4,990	+2.89%	126,200	747億2004万	+13.85%
01/09	4,780	4,860	4,750	4,850	+2.11%	112,300	726億2368万	+11.65%
01/08	4,745	4,840	4,710	4,750	+0.85%	96,600	711億2629万	+10.21%
01/07	4,685	4,750	4,650	4,710	+0.64%	75,900	705億2733万	+9.97%
01/06	4,635	4,730	4,615	4,680	+1.19%	78,700	700億7811万	+9.76%
01/05	4,580	4,650	4,535	4,625	+1.76%	98,000	692億5454万	+9.05%
2025
12/30	4,475	4,580	4,455	4,545	+1.56%	96,800	680億5663万	+7.73%
12/29	4,500	4,540	4,425	4,475	-0.44%	98,500	670億845万	+6.65%
12/26	4,500	4,500	4,460	4,495	-0.11%	44,500	673億793万	+7.61%
12/25	11:10 人事異動に関するお知らせ
12/25	4,470	4,500	4,445	4,500	+1.12%	51,400	673億8280万	+8.43%
12/24	4,465	4,505	4,450	4,450	-0.45%	61,200	666億3410万	+7.96%
12/23	4,465	4,500	4,445	4,470	+0.22%	83,600	669億3358万	+9.13%
12/22	4,400	4,490	4,365	4,460	+2.06%	148,200	667億8384万	+9.5%
12/19	4,250	4,400	4,230	4,370	+2.94%	122,900	654億3618万	+7.82%
12/18	4,170	4,245	4,140	4,245	+2.17%	85,700	635億6444万	+5.15%
12/17	4,130	4,195	4,080	4,155	+1.34%	76,300	622億1678万	+3.28%
12/16	4,145	4,145	4,070	4,100	-0.24%	33,500	613億9321万	+2.24%
12/15	4,095	4,150	4,055	4,110	0%	39,000	615億4295万	+2.75%
12/12	4,080	4,110	4,060	4,110	+2.49%	38,000	615億4295万	+3.09%
12/11	4,100	4,100	4,010	4,010	-2.2%	41,000	600億4556万	+0.88%
12/10	4,110	4,140	4,055	4,100	+0.24%	45,500	613億9321万	+3.4%
12/09	4,175	4,200	4,080	4,090	-1.56%	27,600	612億4348万	+3.52%
12/08	4,090	4,165	4,075	4,155	+2.59%	50,300	622億1678万	+5.59%
12/05	4,075	4,115	4,025	4,050	-0.61%	36,100	606億4452万	+3.42%
12/04	4,025	4,085	4,010	4,075	+1.37%	46,200	610億1887万	+4.54%
12/03	4,000	4,040	3,985	4,020	+0.37%	43,100	601億9530万	+3.66%
12/02	4,055	4,065	3,960	4,005	-1.72%	80,100	599億7069万	+3.6%
12/01	4,245	4,245	4,065	4,075	-3.55%	60,900	610億1887万	+5.76%
11/28	4,100	4,250	4,100	4,225	+2.8%	70,900	632億6496万	+10.11%
11/27	4,085	4,115	4,065	4,110	+0.61%	63,300	615億4295万	+7.73%
11/26	3,980	4,085	3,980	4,085	+2.9%	63,800	611億6861万	+7.64%
11/25	4,000	4,010	3,935	3,970	-0.25%	40,600	594億4660万	+5.08%
11/21	3,800	3,980	3,790	3,980	+4.05%	89,700	595億9634万	+5.77%
11/20	3,850	3,890	3,825	3,825	+0.53%	41,200	572億7538万	+2.05%
11/19	3,810	3,855	3,785	3,805	-0.13%	44,100	569億7590万	+1.85%
11/18	3,865	3,885	3,760	3,810	-1.8%	80,200	570億5077万	+2.39%
11/17	3,980	3,985	3,840	3,880	-2.27%	105,900	580億9894万	+4.72%
11/14	3,970	3,995	3,875	3,970	+0.25%	180,600	594億4660万	+7.53%
11/13	14:00 投資有価証券の売却についてのお知らせ
11/13	14:00 2026年3月期第2四半期(中間期)決算短信〔日本基準〕(連結)
11/13	14:00 2026年3月期第2四半期決算(中間期)業績予想と実績値との差異および通期業績予想並びに配当予想の修正に関するお知らせ
11/13	3,895	4,065	3,855	3,960	+1.67%	346,000	592億9686万	+7.78%
11/12	3,845	3,905	3,835	3,895	+1.43%	68,300	583億2355万	+6.48%
11/11	3,835	3,850	3,780	3,840	-0.39%	67,600	574億9999万	+5.41%
11/10	3,815	3,860	3,800	3,855	+1.98%	45,000	577億2460万	+6.32%
11/07	3,775	3,790	3,735	3,780	-0.53%	35,500	566億155万	+4.8%
11/06	3,775	3,855	3,755	3,800	+0.66%	65,900	569億103万	+5.76%
11/05	3,725	3,780	3,625	3,775	+0.8%	75,500	565億2668万	+5.39%
11/04	3,720	3,780	3,670	3,745	+1.49%	69,600	560億7746万	+4.81%
10/31	3,685	3,690	3,655	3,690	+0.54%	43,500	552億5389万	+3.48%
10/30	3,620	3,685	3,590	3,670	+1.8%	59,900	549億5441万	+3.12%
10/29	3,595	3,640	3,580	3,605	+0.84%	65,500	539億8111万	+1.41%
10/28	3,710	3,710	3,565	3,575	-3.64%	78,800	535億3189万	+0.62%
10/27	3,710	3,750	3,690	3,710	+0.41%	68,500	555億5337万	+4.51%
10/24	3,685	3,695	3,640	3,695	+0.68%	41,000	553億2876万	+4.38%
10/23	3,640	3,680	3,635	3,670	+0.14%	50,300	549億5441万	+3.94%
10/22	3,600	3,685	3,590	3,665	+1.24%	52,500	548億7954万	+3.97%
10/21	3,660	3,670	3,610	3,620	-1.23%	47,800	542億572万	+2.9%
10/20	3,645	3,670	3,615	3,665	+1.81%	47,900	548億7954万	+4.33%
10/17	3,590	3,600	3,530	3,600	+0.42%	64,000	539億624万	+2.62%
10/16	3,560	3,590	3,545	3,585	+1.41%	46,900	536億8163万	+2.34%
10/15	3,450	3,550	3,435	3,535	+3.36%	32,400	529億3293万	+1%
10/14	3,405	3,450	3,360	3,420	-0.15%	75,400	512億1092万	-2.26%
10/10	3,505	3,505	3,410	3,425	-3.25%	53,600	512億8579万	-2.17%
10/09	3,545	3,575	3,515	3,540	0%	36,100	530億780万	+1.14%
10/08	3,545	3,600	3,520	3,540	-0.14%	64,800	530億780万	+1.29%
10/07	3,520	3,565	3,500	3,545	+0.71%	36,200	530億8267万	+1.55%

1815 鉄建建設

IR情報

2025/10/07～2026/03/06

IR情報＆株価推移

開示資料

決算

株式

チャート